<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>computed Option 计算选项</title>
    <script src="../assets/js/vue.js"></script>
</head>
<body>
    <h1>computed Option 计算选项</h1>
    <hr>
    <div id="app">
        {{newPrice}}
        <ul>
            <li v-for="list in reverseNews">
                {{list.title}}--{{list.date}}
            </li>
        </ul>
    </div>
</body>
<script>
    var app = new Vue({
        el:"#app",
        data:{ 
           price:100,
           newsLists:[
                {title:'香港或就“装甲车被扣”事件追责 起诉涉事运输公司',date:'2017/3/10'},
                {title:'日本第二大准航母服役 外媒：针对中国潜艇',date:'2017/3/12'},
                {title:'中国北方将有明显雨雪降温天气 南方阴雨持续',date:'2017/3/13'},
                {title:'起底“最短命副市长”：不到40天落马，全家被查',date:'2017/3/23'}
            ]
        },
        computed:{
            newPrice(){
                return this.price = "￥"+this.price+"元"
            },
            reverseNews:function(){
                return this.newsLists.reverse();
            }
        }
    })
</script>
</html>